CM4Stack

SKU:K127/K127-US/K127-EU

Description

CM4Stack is an all-in-one micro host based on the Raspberry Pi CM4 core board, using the CM4104032, with built-in Wi-Fi, 4G memory, and 32Gb eMMC. The host includes a variety of peripherals: a 2.0-inch IPS-LCD screen with capacitive touch, resolution 320x240, 2 USB3.2-A ports (PCIe + ASM3042), a USB-C (2.0) interface supporting OTG and host power supply, 1 high-resolution multimedia signal interface, 1 Gigabit Ethernet interface (RJ45), 1 DC-JACK power input interface (12V@3A); 2 HY2.0-4P expansion ports, which are I2C and UART interfaces, built-in 2W speaker with AW88298 16-Bits I2S amplifier, 1 security encryption chip ATECC608B, 1 RTC chip BM8563, built-in active cooling fan and aluminum alloy heat dissipation frame. This product structurally supports DIN rail, wall mount, and screw fixing methods, suitable for industrial automation, smart home, IoT, and other fields.

Tutorial

Home Assistant

This tutorial will introduce you to burning the Home Assistant image to CM4Stack

Raspberrypi OS

This tutorial will introduce you to burning the Raspberrypi OS image to CM4Stack

CM4Stack QuickStart

CM4Stack startup configuration and related tutorials

SKU	Difference
K127	Comes with Japan power adapter
K127-US	Comes with US power adapter
K127-EU	Comes with EU power adapter

Note

USB Cable Requirement

When connecting to CM4Stack, it is recommended to use a high-quality USB cable certified by USB-IF to prevent device malfunction.

Features

High-performance embedded system: Built-in powerful chips and interfaces, equipped with a 2.0-inch LCD screen with touch functionality, capable of displaying high-quality video and images.
Multiple interfaces and functions: Includes antenna interface, 2W speaker, high-resolution multimedia signal interface, USB-C (2.0) interface, USB3.2 interface, Gigabit Ethernet interface (RJ45), I2C interface, serial port, and DC power input port, supporting various peripherals and data transmission methods.
Security features: Equipped with a security authentication chip AW32901ID-KEY (ATECC608B) for secure data transmission and storage.
Clock function: Equipped with RTC chip BM8563 for clock functionality.
Cooling design: Equipped with a cooling base and fan to ensure long-term stable operation of the system.

Includes

1 x CM4Stack
1 x CM4Stack Power Adapter (input: 100-240VAC, OUTPUT: DC_12V 3A)
1 x Hex Key 2mm
1 x CM4Stack Manual
1 x CM4Stack Base Clip
1 x CM4Stack Screw Fixing Kit

Applications

Industrial Automation
Smart Home
Internet of Things (IoT)
Education and Development

Specifications

Specification	Parameter
CM4 Host	CM4104032, Processor: Broadcom BCM2711, Quad-core Cortex-A72 64-bit SoC, Clock speed: 1.5 GHz, RAM: 4G, Storage (eMMC): 32G
2.0 inch LCD	Screen with touch functionality and ST7789V2 controller
Touch Chip Solution	GT911
Antenna Interface	For connecting external antennas
Speaker	2W audio output with AW88298 driver
USB-C Interface	USB 2.0 interface with OTG functionality, powered by MP8759 and AW32901 controllers
I2C Interface	For connecting I2C devices
Serial Port	Communication interface for transmitting and receiving serial data
AC Power Input Port	Supports 100-240VAC AC power input
DC Power Input Port	Supports 12V/3A DC power input
Gigabit Ethernet Interface	RJ45 interface for connecting to Gigabit Ethernet network, speed: 1Gbps
USB3.2 Interface	Supports USB 3.2 protocol, uses ASM3042 chip, high-speed PCIe bridge
Cooling Base	Made of aluminum alloy, suitable for DIN rail installation
Cooling Fan	For heat dissipation, uses ME1502 chip
Download Button	Button for entering download mode
High-resolution Multimedia Signal Interface	Interface for transmitting high-definition video and audio
RTC	Real-time clock module with BM8563
Chip ID-KEY	For device security authentication, uses ATECC608B chip
Aluminum Alloy Cooling Base	DIN rail installation cooling base with built-in cooling fan (ME1502)
SY8003 and ME1502	Power management and control integrated circuits
AW8829	Audio amplifier integrated circuit
MP8759 and AW32901	USB power delivery and Type-C interface control integrated circuits
ID-KEY (ATECC608B)	Encryption authentication integrated circuit for secure communication
ASM3042	USB 3.2 main controller
BM8563	Real-time clock integrated circuit
WIFI	2.4 GHz, 5.0 GHz IEEE 802.11 b/g/n/ac
Product Dimensions	59 x 46 x 44mm
Product Weight	119.1g
Package Dimensions	160 x 107 x 47mm
Package Weight	330.5g